Drawings 626A4-CSI-105 Combined MRI_35percent.pdf
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- Y1DA--626A4-CSI-105 DB Prepare Site for York MRI
- Solicitation number
- 36C24922R0066
About this file
This document provides technical specifications and drawings for site preparation required for the installation of a new MRI system at a Veterans Affairs medical facility. Key details include specifications for floor loading and reinforcement, ceiling heights, electrical and mechanical requirements, RF shielding specifications, safety zone definitions, and vibration testing parameters. The project involves preparing the site in accordance with the plans and specifications provided by the MRI equipment manufacturer to ensure proper installation and operation of the new system.
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Other files
| File | Type | Posted |
|---|---|---|
| SPD-final 1of2.pdf | ||
| SPD-final 2of2.pdf | ||
| 2022-04-21_TVHS - Murfreesboro_MRI_RF shielding report.pdf | ||
| Binder1.pdf | ||
| 36C24922R0066 0001.docx | DOCX document | |
| SCA Wage Determination.pdf | ||
| UEI _ TAX ID.docx | DOCX document | |
| P07_Wage Determination_Dated 06-27-2022.pdf | ||
| RFI Form.docx | DOCX document | |
| Past Performance Questionnaire.pdf | ||
| 36C24922R0066_2.docx | DOCX document | |
| COVID Language_Updated 12-14-2021.docx | DOCX document | |
| Specs_626A4-CSI-105 Prepare Site for MRI Specs.pdf | ||
| Contractor EMR Certification Form.docx | DOCX document |
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C1
THIS SHEET IS PART OF THE DOCUMENT SET LISTED ON SHEET C1 AND SHOULD NOT BE SEPARATED.
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Table of Contents
Revision History
Note for Architects and/or Contractors: If revisions are listed, these drawings must be thoroughly reviewed so that all changes can be incorporated into your project
Rev. Date
Revision Descriptions By
- 8/27/2020
Created preliminary site preparation support document.
MA
A 10/15/2021
Created pre-order site preparation support document.
BN
B 12/6/2021
A1/A2/S1/S2/E1 - Updated layout.
BN
Section A - Equipment Plan
Site Readiness Checklist ------------------------- CHK
Remote Service & Networking ----------------------N1
Electrical Details ---------------------------- ED1 - ED2
Conduit List --------------------------------------- E2 - E3
Electrical Plan ------------------------------------------- E1
Electrical Legend ----------------------------- EL1 - EL2
Electrical Notes ---------------------------------------- EN
Section E - Electrical Plan
Support Details ------------------------------ SD1 - SD4
Support Plan ------------------------------------- S1 - S2
Support Legend ---------------------------------------- SL
Section MP - Mechanical / Plumbing Details
Air Conditioning -------------------------------------- MP1
Chilled Water ----------------------------------------- MP2
Equipment Details -------------------------- AD3 - AD7
Site Layout ---------------------------------------------- A1
Equipment Legend ------------------------------------ AL
General Notes ----------------------------------------- AN
Magnetic Rigging Details -------------------------- AD2
Magnetic Field Plot ---------------------------------- AD1
Equipment Layout ------------------------------------- A2
Pre-Order Site Preparation Support Document
The equipment components shown in this drawing package are based on the current proposed equipment configuration and are subject to change if modifications are made to the configuration at the time of final equipment purchase.
www.healthcare.philips.com
*Photo shown is not site specific.
Support Notes ------------------------------- SN1
Section S - Support Plan
- SN4
AN
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General Specifications
1. Responsibility
The customer shall be solely responsible, at their expense for preparation of site, including any required structural alterations. The site preparation shall be in accordance with plans and specifications provided by Philips. Compliance with all safety electrical and building codes relevant to the equipment and its installation is the sole responsibility of customer. The customer shall advise Philips of conditions at or near the site which could adversely affect the carrying out of the installation work and shall ensure that such conditions are corrected and that the site is fully prepared and available to Philips before the installation work is due to begin. The customer shall provide all necessary plumbing, carpentry work, or conduit wiring required to attach and install products ready for use.
2. Permits
Customer shall obtain all permits and licenses required by federal, state/provincial or local authorities in connection with the construction, installation and operation of the products and related rules, regulations, shall bear any expense in obtaining same or in complying with any ordinances and statutes.
3. Asbestos and Other Toxic Substances
Philips assumes no hazardous waste (i.e., PCB's in existing transformers) exists at the site. If any hazardous material is found, it shall be the sole responsibility of the customer to properly remove and dispose of this material at its expense. Any delays caused in the project for this special handling shall result in Philips time period for completion being extended by like period of time. Philips assumes that no asbestos material is involved in this project in any ceilings, walls or floors. If any asbestos material is found anywhere on the site, it shall be the customer's sole responsibility to properly remove and/or make safe this condition, at the customer's sole expense.
4. Labor
In the event local labor conditions make it impossible or undesirable to use Philips' regular employees for such installation and connection, such work shall be performed by laborers supplied by the customer, or by an independent contractor chosen by the customer at the customer's expense, and in such case, Philips agrees to furnish adequate engineering supervision for proper completion of the installation.
5. Schedule
The general contractor should provide Philips with a schedule of work to assist in the coordination of delivery of Philips supplied products which are to be installed by the contractor and delivery of the primary equipment.
6. Extended Installation or Turnkey Work by Philips
Any room preparation requirements for Philips equipment indicated on these drawings is the responsibility of the customer. If an extended installation or turnkey contract exists between Philips and the customer for room preparation work required by the equipment represented on these drawings, some of the responsibilities of the customer as depicted in these drawings may be assumed by
Philips. In the event of a conflict between the work described in the turnkey contract workscope and these drawings, the turnkey contract workscope shall govern.
(14.0)
Minimum Site Preparation Requirements
A smooth efficient installation is vital to Philips and their customers. Understanding what the minimum site preparation requirements are will help achieve this goal. The following list clearly defines the requirements which must be fulfilled before the installation can begin.
1. Walls to be painted or covered, baseboards installed, floors to be tiled and/or covered, ceiling shall have grid tiles and lighting fixtures installed and operational.
2. Doors and windows, especially radio frequency shielding, installed and finished with locksets operational.
3. All electrical convenience, conduit, raceway, knockouts, cable openings, chase nipples, and junction boxes installed and operational.
4. Incoming mains power operational and connected to room MR mains breaker.
5. 115V convenience outlets operational.
6. All support structure correctly installed. All channels, pipes, beams and/or other supporting devices should be level, parallel, and free of lateral or longitudinal movements.
7. All contractor supplied cables pulled and terminated.
8. A dust-free environment in and around the procedure room.
9. All HVAC (heating, ventilating and air conditioning) installed and operational as per specifications.
10. Architectural features such as computer floor, wood floor, casework, bulkheads, installed and finished.
11. All plumbing installed and finished.
12. Clear door openings and pathway leading up to and into the exam room are recommended to be 48" (1220mm) W x 84" (2135mm) H. Minimum 40" (1000mm) W x 81"
(2050mm) H, contingent on an 8' - 0" (2440mm) corridor width.
13. The magnet is the only system part that in most cases cannot be transferred through the door of the RF enclosure. A special opening to allow its installation in the enclosure must therefore be made available. The recommended transfer opening dimensions are 7' -
" (2400mm) H x 8' - 3" (2500mm) W.
Refer to Sheet AD2 for transport dimension details.
14. Internet access is required to be available in the control area prior to system delivery for Web FSE access. Refer to Sheet EL of the final drawing package for details.
15. Remote Service Diagnostics - Medical imaging equipment to be installed by Philips
Medical is equipped with a service diagnostic feature which allows for remote and on site service diagnostics. To establish this feature, a RJ45 type ethernet 10/100/1000 Mbit network connector must be installed as shown on plan. Access to customer's network via their remote access server is needed for Remote Service Network (RSN) connectivity. All cost with this feature are the responsibility of the customer.
Note
Once Philips has moved equipment into the suite and started the installation, the contractor shall schedule his work around the Philips installation team on site.
All contractor work should be completed within 3 days of delivery to prepare for magnet ramping.
(19.0)
KKT Chiller Requirements
Supply Configuration Voltage: 460 VAC / 3 phase / 60Hz +/- 10%
Circuit Breaker: 60 Amps (for standard cBoxX60 chiller)
80 Amps (for high ambient cBoxX70 chiller used at sites with outdoor ambient air temperatures above 113F. Consult your local Philips Project Manager for confirmation.)
(17.0)
MRI Chiller Requirements
Chilled water is required for Magnet cooling. For chillers purchased from Philips, KKT chillers shall provide chiller commissioning and in-warranty chiller service. Philips can provide contractors who will perform turnkey installation of mechanical, electrical, and plumbing requirements for the chiller installation at an additional cost. Consult with Philips
Sales to arrange for turnkey services.
Refer to Sheet MP2 of final drawing package for complete chiller requirements.
(16.0)
Electrical Requirements
Supply Configuration: 3 phase, 3 wire power, unity ground, and bonded ground
Nominal Line Voltage: 480 VAC, 60 Hz
Branch Power Requirement: 80 kVA
Circuit Breaker: 3 pole, 100 Amps (480 VAC)
Note:
For voltages other than 480 VAC, customer must provide a PDU which is capable to meet system requirements.
Note: It is absolutely required to have the MDU connected to hospital power the first day of magnet delivery.
Refer to sheet ED1 of final drawing package for complete electrical requirements.
(20.0)
HVAC Requirements for General Equipment Locations
Heating, ventilation, air conditioning requirements concern all rooms (equipment room, magnet room, and control room) and must be maintained 24 hours a day, 7 days a week.
Examination Room
Temperature: 65° to 72° Fahrenheit (18° to 22° Celsius)
Maximum Temperature Rate of Change: 9° Fahrenheit (5° Celsius) per 10 minutes
Humidity: 40% to 70%, non-condensing
Air Conditioning Capacity: 6824 BTU/hr (2 kW)
- Energy dissipated in the examination room will be removed from the room by an additional air exhaust system
- Gradient coil heat dissipation (3400 to 51200 BTU/hr [1 to 15 kW]) will be removed via liquid cooling of the gradient coil.
- Exam room temperature and humidity specifications are critical for the MR and must be met at all times. No exceptions are allowed.
Equipment Room
Temperature: 59° to 75° Fahrenheit (15° to 24° Celsius)
- The temperature of the conditioned air that enters the room must not be less than 42° Fahrenheit
(6° Celsius) below the mean room temperature.
Maximum Temperature Rate of Change: 9° Fahrenheit (5° Celsius) per 10 minutes
Humidity: 30% to 70%, non-condensing
Air Conditioning Capacity:
- At Standby: 27297 BTU/hr (8 kW)
- Peak Dissipation Scanning: 27297 BTU/hr (8 kW)
Note: Normal standby capacity is 6824 BTU/hr (2 kW). In case of emergency, hospital supplied air cooling must be able to deliver 8 kW cooling if the back up air cooled cryo cooler is activated.
Control Room
Temperature: 50° to 95° Fahrenheit (10° to 35° Celsius)
Maximum Temperature Rate of Change: 9° Fahrenheit (5° Celsius) per 10 minutes
Humidity: 30% to 70%, non-condensing
Air Conditioning Capacity: 1024 BTU/hr (0.3 kW)
Refer to Sheet MP1 of final drawing package for completed HVAC requirements.
* Heat load indicated above and on Sheet MP1 will be less than the sum of the peak dissipation shown on
Sheet AL due to the fact that not all cabinets will run peak heat loads at the same time. Sheet AL shows the peak dissipation for each cabinet measured individually.
(19.0)
(for MRI system)
100 kVA (for system UPS)
(for MRI system)
3 pole, 200 Amps (480 VAC) (for UPS system)
Note: Full Load UPS heat dissipation may increase peak dissipation by 17750 BTU/hr (5.2 kW).
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*Ensure proposed locations shown on Sheet A2 for all components listed on the AL page is outside the Maximum Gauss restriction identified in the AL page.
Weight
(lbs)
Heat Load
(btu/hr) *
Detail Sheet
Equipment Designation
Description
Equipment Legend
Furnished by Philips and Installed by Rigging Company
Future
Existing
Furnished by Philips and installed by contractor
Installed by customer/contractor
Furnished by customer/contractor and installed by customer/contractor
J
D
C
B
Furnished and installed by PhilipsA
F
E
Furnished by RF Enclosure Supplier and Installed by RF Enclosure SupplierH
OptionalG
Max.
Gauss
* Heat load indicated is peak dissipation for each cabinet measured individually. Peak room heat dissipation as indicated on Sheet AN and MP5 will be different than the sum of each individual cabinet in a given room due to the fact that not all cabinets will run peak heat loads at the same time.
Furnished by Philips and Installed by LAP K
Provided by Philips and Installed by RF Enclosure SupplierL
Weight
(lbs)
Heat Load
(btu/hr) *
Detail Sheet
Equipment Designation
Description
Equipment Legend
Furnished by Philips and Installed by Rigging Company
Future
Existing
Furnished by Philips and installed by contractor
Installed by customer/contractor
Furnished by customer/contractor and installed by customer/contractor
J
D
C
B
Furnished and installed by PhilipsA
F
E
Furnished by RF Enclosure Supplier and Installed by RF Enclosure SupplierH
OptionalG
Max.
Gauss
Furnished by Philips and Installed by LAP K
Provided by Philips and Installed by RF Enclosure SupplierL
A OT Operator's Table - 220 0 AD3
D ERB Emergency Run-Down Button (Qty. = 2) - 3 0 AD3
J MAG Magnet Assembly - 8157 6800 AD3
A PS Patient Support (MT) - 573 1025 AD3
A GAC Gradient Amplifier 787 Double Cabinet 150 2015 27900 AD4
A DACC Data Acquisition and Control Cabinet 50 787 3400 AD4
D LCC Liquid Cooling Cabinet 150 719 4095 AD4
D MDU Mains Distribution Unit 150 605 1700 AD4
A SFB System Filter Box with Covers 70 175 3400 AD4
A SACU System Air Cooling Unit 50 55 340 AD5
A SR Storage Rail --- --- - AD5
A EA e-Alert - 1 0
B CBS Circuit Breaker (For System) 50 t.b.d. t.b.d.
B CBC Circuit Breaker (For Chiller) 50 t.b.d. t.b.d.
D CH KKT cBoxX 60 Chiller 10 1477 139898 AD5
D RDP KKT Chiller Remote Controller 10 t.b.d. 0 AD5
D CIP KKT Chiller Interface Panel - 132 0 AD5
D ACCC Air Cooled Cryo-cooler 150 243 19108 AD4
F BCP Backup Power Connection Panel 150 605 t.b.d. AD6
A SP Service Platform - t.b.d. 0 AD6
A FC Flex Caddy Coil Cart - t.b.d. 0 AD5
D TC 60Hz Transformer Cabinet - 64 171 AD6
D MC Multi-Camera 150 3 --- AD7
D LM LCD Monitor 150 13 --- AD7
D PCI Patient Camera Interface Assy - 3 --- AD7
A FT HA FlexTrak --- 113 --- AD7
D UPS 100 kVA Socomec UPS Cabinet 5 1043 17750 AD7
D BC Socomec UPS Battery Cabinet 5 3854 - AD7
B CBU Circuit Breaker (for UPS) 50 t.b.d. t.b.d.
D SBU Signaling Box for UPS (not shown) - -
A XD Injector Display Control Unit --- 17.6 675 AD6
A XI MRXperion Injector --- 94 --- AD6
A XPS iCBC Power Supply Unit 50 6 660 AD6
B PDP Power Distribution Panel 5 T.B.D. T.B.D.
E CAF Computer Access Floor - - -
Limited floor reinforcement/ferrous materials area, 9' - 10" x 9' - 10" (3m x 3m)
Isocenter
4' W x 7' H
RF Door.
(See Sheet SN2 of
Final Drawing package)
Parent Wall
RF Wall
Finished Wall
3' W x 7' H
Door min.
Recommended
4' W x 7' H
I s o c e n t e r
Isocenter
1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 11' 12' m m m m m m m
1 2
4' W x 7' H
Door Min.
15'-3
26'-0"
9'-8"
11'-6
1 2
3 4
W n d o w
C u s t o m e r
C o u n t e r
Customer Counter
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Ceiling Height Guide
Equipment Room: 10' - 6" (3200mm)
Recommended
9' - 2" (2795mm)
Minimum*
Exam Room Suspended Ceiling: 8' - 3
" (2520mm) Required
Exam Room RF Ceiling: 9' - 9" (2970mm)
Recommended
Control Room: 9' - 10" (3000mm)
Recommended
7' - 3" (2200mm)
Minimum
* Ceiling Heights outside the minimum dimensions may be possible. These
Ceiling Heights must be reviewed and approved.
Site Layout
1/4" = 1'-0"
Reported Ceiling Heights from finished floor to bottom of :
Deck above : Unknown
RF Ceiling : Unknown
Exam Room Suspended Ceiling: Unknown
Equipment Room Ceiling: Unknown
Walls
Soffit
Existing (to be removed)
Beams or other building construction elements
Legend
* Field to verify all room dimensions.
For convenient and safe transport of patients and for installation and maintenance actions, a minimum clearance of 4' - 0"W x 7' - 0"H is required.
(Refer to sheet SN2 of Final Drawing Package for details)
Planning Issues and Considerations
Customer/contractor/architect to verify equipment in electrical room located about 60' plan northeast of the exam room will not affect the magnet. Refer to SN1 for allowable distance for electromagnetic fields.
Isocenter
1 G
3 G
5 G
10 G
30 G
50 G
MAG
PS
100 G
EA
GAC
CBS MDU
ERB
OT
ERB
SACU must be located less than 78.75" (2m) away from Examination Air Duct (See Sheet
SL and MP1 of Final Drawing package).
SR
BCP
SP
DACC
CIP
I s o c e n t e r
Isocenter
KKT Chiller to be located at least
208" away from magnet's isocenter
CBC
CH
Verify location with Customer and local Philips Project Manager.
LCC
ACCC
SACU
TC
1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 11' 12' m m m m m m m
9'-8"
3 4
LM
Exact location of
Multi-Camera to be determined by local
Philips Service
PCI
MC
FT
BC
UPS
CBU
XI
XPS
XD
FC
PDP
SFB
CAF
RDP
A2
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E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
Ceiling Height Guide
Equipment Room: 10' - 6" (3200mm)
Recommended
9' - 2" (2795mm)
Minimum*
Exam Room Suspended Ceiling: 8' - 3
" (2520mm) Required
Exam Room RF Ceiling: 9' - 9" (2970mm)
Recommended
Control Room: 9' - 10" (3000mm)
Recommended
7' - 3" (2200mm)
Minimum
* Ceiling Heights outside the minimum dimensions may be possible. These
Ceiling Heights must be reviewed and approved.
Equipment Layout
1/4" = 1'-0"
* All floor support below the magnet including floor reinforcement and beams must be verified to meet the requirements shown on the SN1 page of the final drawing package.
* If metal is needed inside the Examination room for air ducts, suspended ceiling, wall construction, cabinets, etc; they must be non-ferromagnetic. This is to avoid potential image quality issues and missile effects due to attraction forces of the magnetic field.
Planning Issues and Considerations
* It is absolutely required to have the MDU connected to hospital power the first day of magnet delivery.
* Field to verify all existing Philips and/or third party equipment will not affect the functionality of the system and its components.
Walking access around magnet is limited. Recommend 2' - 6" clearance.
Controlled Zone
Exclusion zone for persons with cardiac pacemakers or other electrical implants -
Magnet field exceeds 5 Gauss (0.5 mT).
Passive magnetic shielding is needed to contain the 5 Gauss line within the controlled Philips MRI rooms. Refer to Safety Zones on page SN3 for more information
SFB location is critical, as it is required to be outside the 70 Gauss Field.
Philips Service must verify that exact placement of equipment does not exceed maximum fringe field requirements.
Field to verify location of existing equipment inside the equipment room to ensure that it does not interfere with the clearances of the electrical cabinets.
Existing noted panels may need to be relocated to allow for proper installation of Philips equipment.
Ceiling height from the existing computer access floor to the finished ceiling must be minimally 9' - 2" for proper installation and clearance for the ladder trays, otherwise, computer access flooring will need to be removed.
AD1
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
I N
S T
R U
C T
I O
O
V I D
P
H I L I P
S
A
C
E P
T A
B
T
S
P I T
A L
C
H I T
E C
T
O
R
E
N G
I N
E E
R
T
O
U
V
E L O
P M
E N
T
O
F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
2826242220181614121028 26 24 22 20 18 16 14 12 10 8 6 4
2m4m6m8m 2m 4m 6m 8m
2m
4m
2m
1 G
5 G
10 G
70 G
Feet (X-Axis)
Feet (Z-Axis)
(14.0)
Side Elevation
Detail - Magnetic Field Plot, without Magnet Shielding
(Static fringe field shown / Not to scale)
2m
4m
6m
2m
4m
6m
2m 4m4m
4 6 8 10 12 1414 12 10
Feet (Y-Axis)
Feet (Z-Axis)
2m
1 G
5 G
10 G
70 G
2m
4m
2m
4 6 8 10 1212 10
Feet (Y-Axis)
Feet (X-Axis)
2m
8 6 4
1 G
5 G
30 G
70 G
(18.0)
(14.0)
Plan View
Front Elevation
14 161416
Notes:
1. The fringe field diagrams indicated have been empirically confirmed under unobstructed, greenfield conditions. Actual environmental parameters at this site may influence the true extent of the fringe field and affect the accuracy of the field shown.
2. Isocenter in the X-Axis is 39.53" (1004mm) above finished floor.
3. Magnet shielding requirements are to be determined on a site by site basis. If additional shielding is required, consult with Philips Project Manager. The customer accepts full responsibility for all cost associated with additional magnet shielding.
4. Due to variability in the orientation of the site with respect to the earth's magnetic field and construction of the site, the tolerances in Table 1 should be taken into account.
Table 1- Fringe Field Tolerances
Fringe Field
Tolerance
1 Gauss
± 2' - 8" (± 800mm)
5 Gauss
± 8" (± 200mm)
10 Gauss
± 4" (± 100mm)
(19.0)
30 G
30 G
10 G
Typical Maximum Fringe Field
(16.0)
Equipment
≤ 1.0 G (0.1 mT)
Nuclear Camera, PET Scanners, Linear Accelerators, Electron
Microscopes, Gamma Camera, Image Intensifiers, Blood
Chemistry Analyzers, Cyclotrons, X-ray CT Scanner with photo multipliers and CRT Monitors
2.0 G (0.2 mT)
CT Scanners manufactured after 2003
2.5 G (0.25 mT)
CT Scanners manufactured prior to 2003, Power and Main
Distribution Transformers, and Ultrasound Machines
5.0 G (0.5 mT)
Neurostimulators, Biostimulation Devices, Power Conditioners, Flat Detectors, Video Monitor (monochrome), and Pacemakers
10.0 G (1.0 mT)
Computers, Tape Storage, Disc Drivers, HVAC Equipment, X-Ray Tubes, Emergency Generators, Food Prep Areas, Chillers, Telephone Switching, Credit Cards, Analog Watches and Clocks, Fuel Storage Tanks, ECG Equipment with LCD Display, and
Motors/Pumps > 5 HP
15.0 G (1.5 mT)
Film Processors and Cardiac Recorders
25.0 G (2.5 mT) Flat Panel (LCD) Monitors, Ultrasound with LCD
50.0 G (5.0 mT) Laser Imagers, Telephones, X-Ray Electronics, Metal Detectors
100.0 G (10.0 mT) Oxygen Monitor Sensor
Note:
The fringe field limits above are provided for preliminary planning purposes and represent the approximate exposure to magnet field acceptable for the type of instrument. It is the responsibility of the customer to have the vendor of the equipment in question set acceptable magnet field limits for proper operation of their equipment.
Valid for equipment located outside the RF Enclosure. In the examination room only MRI compatible equipment can be used. For specifications consult the supplier of the equipment.
AD2
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
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C T
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P
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S
A
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T A
B
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P I T
A L
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T
O
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N G
I N
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P M
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C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
General Delivery and Rigging Notes
(18.0)
1. Additional height for protective floor covering, and/or other site-specific restrictions must be added to the transport height.
2. All magnets are delivered pre-assembled.
3. The transport beams, wheels and hydraulic lifting tool will be delivered by the Transport and Installation team. An additional order is not needed.
4. It is the rigger's responsibility to provide a spreader bar if a crane will be used.
a. Rigging is customer/contractor's responsibility unless specific arrangements have been made with Philips Sales/Service.
b. Assembled magnet weight is 8157 lbs (3700kg).
c. Transport via wall: A height of 7' - 10
" (2400mm) and a width of 7' - 6
" (2300mm) is recommended.
Transport via roof: A length of 8' - 3" (2500mm) and width of 8' - 3" (2500mm) is recommended.
Openings with smaller dimensions are possible, but are site situation depended. The tables above provide the minimum dimensions of the magnet assembly.
d. The absolute minimum transport height is (2920mm)
Additional lifting detail to be provided upon request.
Detail - Magnet Rigging - Pre-assembled Magnet
Magnet assembly dimensions including transport frame and wheels
Length
Width
Height
Pre-assembled magnet assembly including covers 6' - 1
" (1870mm) 7' - 6" (2280mm)
If transport width is > 7' - 6" (2280mm) 7' - 6
" (2290mm)
If transport width < 7' - 6" (2280mm) * 7' - 7
" (2320mm)
* If transport width is < 7' - 6" (2280mm), the magnet needs to be transported sideways. Now the height increases due to a different location of the wheels under the magnet.
Note: Part of the patient support that is sticking out at the rear of the assembly has to be removed on site. This is a 15 minute job.
(14.0)
Detail - Magnet Rigging - With Covers Locally Removed
Magnet assembly dimensions including transport frame and wheels
Length
Width
Height
Pre-assembled magnet assembly with covers removed 6' - 0" (1820mm) 6' - 4
" (1940mm)
If transport width is > 6' - 4
" (1940mm) 7' - 6
" (2290mm)
If transport width < 6' - 4
" (1940mm) * 7' - 7
" (2320mm)
* If transport width is < 6' - 4
" (1940mm), the magnet needs to be transported sideways. Now the height increases due to a different location of the wheels under the magnet.
(18.0)
5'-11
[1820mm]
6'-1
[1870mm] m m
7'-5
[2280mm]
11"
[280mm] m m
3'-3
[1000mm]
3'-1"
[940mm]
AD3
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
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D
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S
A
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T A
B
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P I T
A L
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T
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N G
I N
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R
T
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V
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P M
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T
O
F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
(19.0)
ERB
Emergency Run-Down Button
Weight Heat Dissipation
3 lbs 0 btu/hr
[110mm] m m
[100mm]
A
F
F m m
Floor
Top
Front Side
4x M5 screws
(locally supplied)
(19.0)
OT
Operator's Table
Weight Heat Dissipation
220 lbs 0 btu/hr
* Maximum distance between Monitor/Keyboard and Storage Rail is 1' - 8" (510mm) if Operator Console table is not ordered
3 8 m m
5'-3"
[1600mm]
1 2 m m m m
2'-9
[850mm]
Front
Top
Side
1'-9
[550mm]
(18.0)
MAG
Magnet Assembly
Weight Heat Dissipation
8157 lbs 6800 btu/hr *
(19.0)
PS
Patient Support (MT)
Weight Heat Dissipation
573 lbs 1025 btu/hr
* For gradient coil, 3400 - 51200 btu/hr removed via water cooling system.
5'-3"
[1600mm]
12'-3
[3750mm]
6'-3
[1920mm]
13'-5
[4100mm]
Min. Min.
Preferred
Min. for optional tabletop ext.
m m
5 8 m m
5 8 m m
M i n
M i n
Isocenter
Rear
Cover
2'-4
[717mm]
4'-11
[1512mm]
5'-11
[1812mm]
[275mm]
3'-0
[930mm]
6'-0
[1839mm]
5'-9
[1770mm]
4'-0
[1230mm]
4'-11
[1515mm]
5'-11
[1816mm]
8'-2
[2500mm]
2'-11
[903mm]
1 4 m m m m
M i n
Isocenter
5'-4
[1650mm]
1'-3
[389mm]
7'-5
[2278mm]
Maximum Patient Weight: 551 lbs (250 kg).
1 2 m m m m
5 8 m m
2'-7
[794mm]
3'-7
[1094mm]
Isocenter
Top
Side Front
** Minimum 75" (1900mm) required on one side if Isocenter to finished rear wall is less than 79" (2000mm) in order to install rear magnet cover.
AD4
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
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S T
R U
C T
I O
O
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P
H I L I P
S
A
C
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T A
B
T
S
P I T
A L
C
H I T
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T
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N G
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R
T
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V
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P M
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T
O
F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
(19.0)
MDU
Mains Distribution Unit - 480V, 60Hz
Weight Heat Dissipation
605 lbs 1700 BTU/hr
Front Side
Top m m m m
1'-11
[600mm]
3 4 m m m m
5 8 m m
1'-1
[350mm]
1'-2
[369mm]
Service and Operational Area
Cable in and outlet
Air flow direction
(19.0)
GAC
Gradient Amplifier 787 Double Cabinet
Weight Heat Dissipation
2015 lbs 27900 BTU/hr
Front Side
Top m m m m
3'-7
[1110mm]
2'-7
[798mm] m m m m
Service and
Operational Area
(19.0)
ACCC
Air Cooled Cryo Cooler
Weight Heat Dissipation
243 lbs 19108 BTU/hr
Front Side
Top
Service and Operational Area
AIR IN AIR IN
AIR OUT
7 8 m m
2'-1
[639mm]
[150mm]
AIR OUT
AIR IN AIR IN
1'-11
[600mm]
3 8 m m
[150mm]
1'-7"
[483mm]
* To minimize the time needed to energize the magnet, the air cooled cryo cooler must be connected to the magnet directly after the magnet is located on its final location.
1'-5
[443mm]
1'-3
[400mm]
(19.0)
LCC
Liquid Cooling Cabinet
Weight Heat Dissipation
719 lbs 4095 BTU/hr
Front Side
Top
1 2 m m m m m m
2'-7
[800mm]
Service and Operational Area
1. Primary Outlet
2. Return from Gradient Amplifier
3. Return from Gradient Amplifier 1
4. Return from RF-Amplifier
5. Cable In
6. Supply to RF-Amplifier
7. Return from Gradient Coil
8. Supply to Gradient Coil
9. Primary Inlet
10. Supply to Gradient Amplifier
5 8 m m
1'-11
[600mm]
(19.0)
DACC
Data Acquisition and Control Cabinet
Weight Heat Dissipation
787 lbs 3400 BTU/hr
Front Side
Top m m m m
2'-7
[801mm]
Service and
Operational Area
1'-11
[600mm] m m
1'-11
[600mm]
2'-9
[851mm]
Area of Air
Cooling m m
3'-1
[960mm]
1'-7
[504mm]
[220mm]
3 8 m m
(19.0)
SFB
System Filter Box
Weight Heat Dissipation
175 lbs 3400 BTU/hr
Front Side
Top
Suspended Ceiling
3'-5
[1060mm] m m
Minimum Service Distance
AD5
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
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C T
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P
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S
A
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T A
B
T
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C
H I T
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T
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N G
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T
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V
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P M
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T
O
F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
(19.0)
FC
Flex Caddy Coil Cart
Weight Heat Dissipation t.b.d. 0 BTU/hr
Front Side
Top
3 4 m m
2'-10
[885mm]
1'-9
[550mm] m m
(19.0)
SACU
System Air Cooling Unit
Weight Heat Dissipation
55 lbs 340 BTU/hr
Front Side
Top
5 8 m m
1'-3
[390mm] m m
[297mm]
[301mm]
[120mm] m m
(19.0)
RDP
KKT Remote Display Panel
Weight Heat Dissipation
TBD - BTU/hr
Front
Top
Side
OutletInlet
(19.0)
CH
KKT cBoxX 60
Weight Heat Dissipation
1,477 lbs 139898 BTU/hr
Front
Top
Side
3 8 m m
3 8 m m
7 8 m m
3'-3
[1000mm]
4'-0
[1223mm]
3'-3
[1000mm]
Maintenance and
Air Clearance Required
Around Chiller m m m m
Maintenance and
Air Clearance Required
Above Chiller
8' - 0" (2500mm) air clearance is required above the chiller. Refer to Sheet MP2 for additional notes and specifications regarding the chiller.
* For Mounting methods, see SD4 Page.
Front Back
Top
(19.0)
SR
Storage Rail
Weight Heat Dissipation
- lbs - BTU/hr
Side
3'-11
[1200mm]
3 4 m m
7 8 m m m m
Recommended distance above finished floor
(19.0)
CIP
KKT Chiller Interface Panel
Weight Heat Dissipation
132 lbs - BTU/hr
Front
Top
Side m m m m
Finished Floor
1. Outlet Water to Chiller
2. Water Inlet from Chiller
3. Outlet to Alternate Water Source (Bypass Mode)
4. Inlet from Alternate Water Source (Bypass Mode)
5. Return from LCC
6. Supply to LCC
7. Drain Valve
8"
[203mm]
2'-0
[614mm]
8"
[203mm]
Maintenance and
Air Clearance Required
Around CIP
3 8 m m
5 8 m m
Spacers (x3)
Drain
Valve
AD6
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
I N
S T
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C T
I O
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P
H I L I P
S
A
C
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T A
B
T
S
P I T
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C
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T
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T
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V
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P M
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T
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F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
(19.0)
BCP
Backup Power Connection Panel
Weight Heat Dissipation
605 lbs t.b.d.
Front Side
Top m m m m
1'-11
[600mm]
3 4 m m m m
5 8 m m
1'-1
[350mm]
1'-2
[369mm]
Service and Operational Area
Cable in and outlet
Air flow direction
(19.0)
SP
Service Platform
Weight Heat Dissipation t.b.d. 0 BTU/hr
Front Side
Top
1'-0
[323mm] m m
3 4 m m
(19.0)
TC
Transformer Cabinet - 60Hz
Weight Heat Dissipation
64 lbs 171 BTU/hr
Front Side
Top
Output
Input
1'-5
[450mm]
Service and Operational Area
Finished Floor m m
Recommended distance above finished floor
5 8 m m
5 8 m m
[250mm] m m
5 8 m m
Front Side
Top m m
1'-11
[590mm]
1'-11
[590mm]
(17.0)
XI
MRXperion Injector
Weight Heat Dissipation
94 lbs - btu/hr
(17.0)
XD
Injector Display Control Unit
Weight Heat Dissipation
17.6 lbs 675 btu/hr
Front Side
Top
1'-3
[400mm] m m
[260mm]
Front Side
Top
(17.0)
XPS
iCBC Power Supply Unit
Weight Heat Dissipation
6 lbs 660 btu/hr
1'-2
[380mm] m m
[190mm]
AD7
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
I N
S T
R U
C T
I O
O
V I D
P
H I L I P
S
A
C
E P
T A
B
T
S
P I T
A L
C
H I T
E C
T
O
R
E
N G
I N
E E
R
T
O
U
V
E L O
P M
E N
T
O
F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
PHILIPS
AUTO
OK
170C4
Front Side
Top
(19.0)
LM
LCD Monitor
Weight Heat Dissipation
13 lbs 0 BTU/hr
1'-5
[442mm]
7 8 m m
[201mm]
(19.0)
PCI
Patient Camera Interface Assy
Weight Heat Dissipation
3 lbs - BTU/hr
Front Side
Top
[299mm] m m
[208mm]
Front Side
Top
(19.0)
MC
Multi-Camera
Weight Heat Dissipation
3 lbs 0 BTU/hr
P
H
IL
IP
S m m
[80mm] m m
(19.0)
FT
HA FlexTrak
Weight Heat Dissipation
113 lbs - BTU/hr
Front Side
Top
Grip can be mounted on both sides
6'-6"
[1982mm]
8'-10
[2697mm]
2'-1
[640mm]
2'-7
[799mm]
Front Side
Top
(19.0)
UPS
100kVA Socomec UPS Cabinet
Weight Heat Dissipation
1043 lbs. 17750 BTU/hr
2'-2
" 3'-1
1 4
3'-3"
Front
Top
7 8
Side
(19.0)
SBU
Signal Box for UPS
Weight Heat Dissipation
13 lbs. -
Front Side
Top
3'-3"
2'-7
1'-6" 3'-1
1'-6"
(19.0)
BC
UPS Socomec Battery Cabinet
Weight Heat Dissipation
3854 lbs. -
Battery cabinet needs a minimum of
3 sides to have clearance space:
Front, Back, and either Left or Right
SN1
P r o j e c t
D e t a i l s
P h i l i p s
C o n t a c t s
P r o j e c t
D r a w i n g
N u m b e r
N S
O U
B
D a t e
D r a w
Q u o t e
O r d e r
I n g e n i a
A m b i t i o n
A
N
Z
R e v
N o n e
T H
E
D
R A
W I N
L A
T E
D
I N
S T
R U
C T
I O
O
V I D
P
H I L I P
S
A
C
E P
T A
B
T
S
P I T
A L
C
H I T
E C
T
O
R
E
N G
I N
E E
R
T
O
U
V
E L O
P M
E N
T
O
F
C O
N S
T R
U C
T I O
N
D
O C
U M
E N
T S r f r e e s b o r o
M u r f r e e s b o r o
T
N
R o o m
M
R I
K o n i n k l i j i l i p s
E l e c t r o n i c s
N
V
A l l r i g h t s r e s e r v e d
R e p r o d u c t i o n o r t i s p r o h i b i t e d w i t h o u t p r i o r w r i t t e n c o n s e n t o f t h e c o p y r i g h t h o l d e r
D r a
B r a n d d i f f e r
P r o j e c t
M a n a g e r
C o n t a c t
N u m b e r
E m a i l
C h r i s
W e b b
(6
2-c h r i s w e b b p h i l i p s c o m
Magnet Field Homogeneity Specifications
2. Moving Ferromagnetic Objects - Figure 2
1,000 10,000 100,000
D i s t a n c e f r m
I s o c e n t e r
P l a n e f t
Weight of Object (lbs)
Safe Distance of Moving Ferromagnetic Objects
3. Moving Magnetized Objects
For magnetized objects (because of high currents or repeatedly entering the fringe field of the magnet, e.g. elevators), multiply the weight by 10 to obtain a safety distance from Figure 2.
4. Electrically Powered Rail Systems - Table 1
Distance (ft) for Electrically
Powered Subway and Trains *
Angle (degrees), 0° is parallel to Z-Axis
0° 15° 30° 45° 60° 75° 90°
Current = 750 Amps
46'
(14m)
62'
(19m)
69'
(21m)
75'
(23m)
79'
(24m)
82'
(25m)
82'
(25m)
Current = 2000 Amps
59'
(18m)
105'
(32m)
115'
(35m)
125'
(38m)
131'
(40m)
135'
(41m)
135'
(41m)
* Note that for short distances, the weight of the trains must also be considered.
5. Electromagnetic Fields - Table 2
Object with Electromagnetic Field Safety Distanced from Magnet Isocenter (in)
Power Line 8.8 √ Amperage (A)
Transformer 15.5 √ Power (kVA)
Motor/Generator 36 √ Power (kVA)
6. Static Magnet Fields - Table 3
Allowed Field Strength of Another MR System at Magnet Isocenter
Field Strength of Other System *
Result
< 0.5 Gauss (0.05 mT) Always Possible
> 0.5 Gauss (0.05 mT) AND < 3 Gauss (0.3 mT) Re-shimming Required
> 3 Gauss (0.3 mT)
Not Allowed
* Note that these values are for Philips magnets only.
(14.0)
Measured along Z axis (distance from X-Y plane)
Measured along X or Y axis (dist. from X-Z or Y-Z planes)
1. Static Ferromagnetic Objects - Figure 1
For the 9' - 10" x 9' - 10"
(3m x 3m) area symmetrically around isocenter
Side View of Magnet
Isocenter
Z-Axis
Finished
Floor
NO
Ferromagnetic
Material
X-Axis
Z-Axis
Y-Axis
Only evenly distributed ferromagnetic reinforcement
< 5.1 lbs/ft
(25 kg/m allowed
All ferromagnetic reinforcement allowed below this line.
Ferromagnetic beams that are only perpendicular to Z-Axis allowed below this line.
All ferromagnetic beams, including parallel and at an angle with
Z-Axis, allowed below this line.
m m m m m m
3 8 m m m m
7 8 m m
Magnet Field Homogeneity Explained
Image quality is dependant on the homogeneity and stability of the magnetic field (B0). The homogeneity of B0 can be distorted by static ferromagnetic objects such as floor reinforcement
(rebar, structural beams, etc.). The stability of the magnetic field (B0) can be disrupted by moving ferromagnetic objects (cars, trains, elevators, etc.). These can cause variations of B0 which will produce image artifacts such as ghosting.
Electromagnetic fields such as current in power lines, motors, generators, and transformers can also cause B0 variation. The magnitude of the variation will decrease as the source gets farther away from the magnet. As such, there are minimum required distances to the magnet for every type of disturbance, depending upon its properties (weight, current, etc.). Disturbances measured in the
Z-axis (direction of the patient table) are most critical for image quality.
Solutions for sites violating requirements will depend on the source of disturbance and construction of the site. To help identify potential disturbances, sources can be classified into seven categories:
1. Static ferromagnetic objects (beams, stirrups, rebar, etc.)
2. Moving ferromagnetic objects (cars, trucks, etc.)
3. Moving magnetized objects
4. Electrically Powered Rail Systems (trains, trams, subways)
5. Electromagnetic fields (power lines, transformers, motors)
6. Static magnetic fields (other magnets)
7. Coherent and non-coherent vibrations
1. Static Ferromagnetic Objects - (see Figure 1)
a. Floor Reinforcement (i.e. rebar, stirrups, etc.):
For the square area of 9' - 10" x 9' - 10" (3 m x 3 m) symmetrically around magnet isocenter, ferromagnetic reinforcement must be:
- NOT allowed between the finished floor level and 1-15/16" (50mm) below the finished floor level.
- NO greater than 25 kg/m average concentration between 1-15/16" (50mm) and 9-13/16"
(250mm) below the floor slab, Ferromagnetic reinforcement in this area must be evenly distributed. Reinforcement below 9-13/16" (250mm) can be ignored.
b. Ferromagnetic beams perpendicular to the Z-axis of the magnet must be located at least 9-13/16" (250mm) below the finished floor level.
c. All other ferromagnetic beams must be located at least 1' - 11-5/8" (600mm) below the finished floor level.
d. Substantial ferro-magnetic objects or structures outside of the RF enclosure must be located at a minimum of 8' - 3" (2.5m) from magnet isocenter.
e. Inside the Examination Room, all metal must be non-ferromagnetic. This is to avoid potential image quality issues and missile effects due to attraction forces of the magnet field.
2. Moving Ferromagnetic and Magnetized Objects - (see Figure 2)
a. Minimum Distances: Ferromagnetic objects such as trucks, cars, and trolleys can be magnetized by the Earth's magnetic field and by the magnet's fringe field. Figure 2 shows the minimum distances moving ferromagnetic objects must be from isocenter.
b. Minimum Distances: Some ferromagnetic objects are magnetized because of high currents repeatedly entering the fringe field of the magnet (e.g. elevators). The safety distance for these objects can be calculated by multiplying their weight by 10 and using the chart in
Figure 2.
3. Electrically Powered Rail Systems - (see Table 1)
a. Minimum Distances: Electric trains, tramways, and subways are typically powered by electrical traction. For railways with overhead power lines, the current through the power lines
(and the returning current through the rails) will induce high magnetic field variations that will extend over a large region. These fields will have a small variation in the direction perpendicular to the power lines. Therefore, B0 variation depends on the distance from the power line to the isocenter, the current, and the angle between the power line and the magnet's
Z-axis (0° is parallel to Z-axis). Table 1 shows the minimum distance allowed for electrically powered rail systems versus current and its angle to the magnet Z-axis.
4. Electromagnetic Fields - (see Table 2)
a. Minimum Distances: Currents in power lines, large transformers or electric motors near an MR system can affect the stability of the magnetic field since they also produce electromagnetic fields. Table 2 shows the minimum distances allowed.
5. Static Magnetic Fields - (see Table 3)
a. Minimum Distances: If an MR system is installed next to another MR system, ensure that the strength of the magnet field from the other system does not exceed the specified values at isocenter of the future system. If the field is between certain values, then the magnet must be re-shimmed when the other system's field goes on or off. Table 3 shows the maximum gauss field allowed.
Possible Counter Measures:
If minimum distances are not met, image quality problems are likely to occur. B0 variations can be measured at various angles to find the most optimum angle to site the future Z-axis of the MR system if the distances or the angle to the isocenter are not exactly known. If minimum distances are not met, contact local Philips service to test and evaluate the site.
(18.0)
Magnetic Field Homogeneity - Vibration Specifications
7. Coherent and Non-Coherent Vibrations
a. Mandatory Floor Vibration Testing: Floor vibrations can affect the stability of the magnetic field which leads to poor image quality. In order to evaluate the acceptance of a site, environmental testing is mandatory. Measurements are to be completed by local Philips service and evaluations are completed by Philips Site
Planning department. Contact local Philips service to arrange an environmental test and evaluation.
b. Specifications:
- Coherent Vibration: Coherent vibrations have a signal with a constant amplitude and frequency. Typical sources are electrical powered motors, air handling systems, etc. These vibrations provide a constant disturbance during the entire measurement period (scan). Coherent signals result in distinct artifacts which are the main source of image quality problems. However, disturbing sources can typically be handled once the source is found. Solutions involve re-balancing, isolating on springs, or re-installing the source on vibration pads.
- Non-Coherent Vibration: Non-coherent vibrations can be categorized into pulse, transient, or noise-like vibrations. Pulse and transient vibrations are single events, and will decrease in a short time. Noise-like vibrations have no specific frequency and are broadband. Typical noise-like vibrations are caused by vehicular traffic, people walking, or the resonance of the building structure. These sources are difficult to eliminate. Furthermore, the building structure can have a negative response on the vibration induced. The only possible solution is to change the construction of the building (i.e. isolate MR floor slab). In this case, the customer must consult with a third party vibration and structural engineer.
- Settings for Fast Fourier Transformer Analyzer shown in table below:
c. Third Party Consultation: Third party vibrations pads are not allowed under the feet of the magnet. All other third party solutions to external vibration disturbances (i.e. pneumatic isolated floors, etc.) must be designed to encompass the whole exam room floor and must meet all of the MR system's specifications
(vibration specification, shimming requirements, proximity of ferromagnetic material, etc.). In addition, long term affects (such as creeping), must be considered since the magnet's relationship with the patient table is extremely critical. Philips does not review or approve any third party designed solutions.
10 100
40 5020
0.100
1.000
100.0
Frequency (Hz)
M a x i m m c c e l e r a t i o n m
G p e a k t o p e a k
10.00
5 6.3 12.5 16 25 31.5 63
0.362
0.183
0.742
1.646
3.457
8.801
14.72
20.56
44.13
90.69
135.7
237.7
Maximum Allowed Acceleration in Terts Band
Acceleration [m/s2] rms vs Frequency Scale (Hz)
Acceleration
Frequency
Acceleration
Frequency
Acceleration
Frequency
0.001256 4.0 0.005709 12.5 0.153029 40.0
0.001256 5.0 0.011990 16.0 0.314500 50.0
0.000637 6.3 0.030520 20.0 0.470690 63.0
0.001256 8.0 0.051033 25.0 0.824273 80.0
0.002573…
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